#40A4BD#40A4BD

#40A4BD is a light, moderate cyan. Relative luminance 0.313; OKLCH L 67.1% C 0.098 H 217.4°. Best body text is #000000 at 7.26:1 contrast (WCAG AA passes).

Color values

HEX	#40A4BD
RGB	rgb(64, 164, 189)
HSL	hsl(192, 49%, 50%)
HSV	hsv(192, 66%, 74%)
CMYK	cmyk(66.1%, 13.2%, 0%, 25.9%)
CIE-LAB	lab(62.77, -21.01, -21.40)
CIE-LCH	lch(62.77, 29.99, 225.53°)
OKLab	oklab(67.07% -0.0779 -0.0596)
OKLCH	oklch(67.07% 0.098 217.4)
XYZ	xyz(24.5713, 31.3124, 52.8832)
Luminance	0.3131 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40A4BD #BD5940

analogous

#40BD98 #40A4BD #4066BD

triadic

#40A4BD #BD40A4 #A4BD40

tetradic

#40A4BD #9840BD #BD5940 #66BD40

square

#40A4BD #9840BD #BD5940 #66BD40

split-complementary

#40A4BD #BD4066 #BD9840

monochromatic

#215562 #317C8F #40A4BD #6DBACD #9AD0DD

Accessibility & contrast

On white

2.89

#40A4BD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.26

#40A4BD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40A4BD

7.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40A4BD	#FFFFFF	#000000	##000000
##40A4BD	1.00	2.89	7.26	7.26
#FFFFFF	2.89	1.00	21.00	21.00
#000000	7.26	21.00	1.00	1.00
##000000	7.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#949FBE

Deuteranopia (green-blind)

#8292BD

Tritanopia (blue-blind)

#00ADAC

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #40a4bd;
/* rgb */ color: rgb(64, 164, 189);
/* oklch */ color: oklch(67.1% 0.098 217.4);

Tailwind

colors: {
  custom: {
    50: '#83bfd1',
    500: '#40a4bd',
    950: '#000000',
  },
}

SCSS

$custom: #40a4bd;
$custom-light: #83bfd1;
$custom-dark: #000000;

JSON

{
  "hex": "#40a4bd",
  "rgb": {
    "r": 64,
    "g": 164,
    "b": 189
  },
  "hsl": {
    "h": 192,
    "s": 49.407,
    "l": 49.608
  },
  "oklch": {
    "l": 0.67069,
    "c": 0.0981,
    "h": 217.4
  },
  "luminance": 0.31315
}

Semantic roles & 50–950 ramp

primary

#40A4BD

secondary

#C99B90

accent

#6A4FD9

background

#F8FBFC

surface

#F0F7F9

border

#CBD0D2

text

#0C1214

muted

#7D8182

Preview Lab

Preview with #40A4BD

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →